<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        div{
            width: 250px;
            height: 300px;
           background-color: #cabdbd;
           transition-duration: 3s;
           transition-delay: 1s;
        }
        div:hover{
            width: 300px;
            height: 350px;
            box-shadow: 10px 12px 12px 12px blue;

        }
    </style>
</head>
<body>
    <div>

    </div>
</body>
</html>